1. A term denoting a belief or system of beliefs having at least partial reference to, or derivation from the Bible. Often not substantiated by any widely accepted Judeo-Christian doctrine(s).

2. Inferences made from Biblical text not directly referenced or clearly established therein.

3. The system of beliefs held by the Jehovah witness currently standing at you're front door. Open the door and tell him he is a Quasi-Biblical piece of poop shit and that, no, you do not want a Jesus cookie.

Tom, you're beliefs are Quasi-Biblical. God did not create the Human Centipede on the 6th day of creation.